commitlint.yml

name: commitlint

on:
  pull_request:

jobs:
  commitlint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Validate Conventional Commits
        run: |
          set -euo pipefail
          RANGE="${{ github.event.pull_request.base.sha }}..${{ github.sha }}"

          invalid=0
          while IFS= read -r message; do
            [[ -z "$message" ]] && continue
            [[ "$message" =~ ^Merge\  ]] && continue

            if [[ "$message" =~ ^(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)(\([a-z0-9._/-]+\))?!?:\ .+ ]]; then
              continue
            fi

            echo "Invalid conventional commit message: $message"
            invalid=1
          done < <(git log --format=%s "$RANGE")

          if [[ $invalid -ne 0 ]]; then
            exit 1
          fi